CMS RBCS · Tests · General Laboratory

Immunoassay codes

177 CPT®/HCPCS codes, ranked by est. all-Medicare services — scaled from national Medicare Part B fee-for-service volume. Open any code for the full market view — ranked physician groups, geography, and 12-year trend.

CY2024 · National scale is an all-Medicare estimate · est. — scaled estimate — assumes MA utilization mirrors FFS; not an observation; the observed fee-for-service figure is shown adjacent. Part B · national figures

HCPCS · General Laboratory test G0103 Prostate cancer screening; prostate specific antigen test (psa) CMS descriptor · HCPCS
Medicare Part B claims

First observed 2013 — start of our 12-year window; the code predates it

National scale 2.80M services · est. ▲ 5.5% YoY · 1.37M FFS beneficiary-episodes (CY2024, all-Medicare estimate) — 1.37M observed fee-for-service services

See the national market for G0103 → ranked groups · states · 12-yr trend

HCPCS · General Laboratory test G0328 Colorectal cancer screening; fecal occult blood test, immunoassay, 1-3 simultaneous CMS descriptor · HCPCS
Medicare Part B claims

First observed 2013 — start of our 12-year window; the code predates it

National scale 586,860 services · est. ▼ 10.3% YoY · 286,241 FFS beneficiary-episodes (CY2024, all-Medicare estimate) — 286,242 observed fee-for-service services

See the national market for G0328 → ranked groups · states · 12-yr trend

HCPCS · General Laboratory test G0472 Hepatitis c antibody screening, for individual at high risk and other covered indication(s) CMS descriptor · HCPCS
Medicare Part B claims

First observed 2014 — first year this code appears in Part B claims

National scale 394,321 services · est. ▲ 5.0% YoY · 192,750 FFS beneficiary-episodes (CY2024, all-Medicare estimate) — 192,954 observed fee-for-service services

See the national market for G0472 → ranked groups · states · 12-yr trend

HCPCS · General Laboratory test G0475 Hiv antigen/antibody, combination assay, screening CMS descriptor · HCPCS
Medicare Part B claims

First observed 2015 — first year this code appears in Part B claims

National scale 44,405 services · est. ▲ 2.3% YoY · 21,765 FFS beneficiary-episodes (CY2024, all-Medicare estimate) — 21,777 observed fee-for-service services

See the national market for G0475 → ranked groups · states · 12-yr trend

HCPCS · General Laboratory test G0499 Hepatitis b screening in non-pregnant, high risk individual includes hepatitis b surface antigen (hbsag), antibodies to hbsag (anti-hbs) and antibodies to hepatitis b core antigen (anti-hbc), and is followed by a neutralizing confirmatory test, when perfor CMS descriptor · HCPCS
Medicare Part B claims

First observed 2017 — first year this code appears in Part B claims

National scale 2,130 services · est. ▲ 51.5% YoY · 1,065 FFS beneficiary-episodes (CY2024, all-Medicare estimate) — 1,067 observed fee-for-service services

See the national market for G0499 → ranked groups · states · 12-yr trend

HCPCS · General Laboratory test G0435 Infectious agent antibody detection by rapid antibody test, hiv-1 and/or hiv-2, screening CMS descriptor · HCPCS
Medicare Part B claims

First observed 2013 — start of our 12-year window; the code predates it

National scale 116 services · est. ▼ 37.4% YoY · 56 FFS beneficiary-episodes (CY2024, all-Medicare estimate) — 58 observed fee-for-service services

See the national market for G0435 → ranked groups · states · 12-yr trend

HCPCS · General Laboratory test G0433 Infectious agent antibody detection by enzyme-linked immunosorbent assay (elisa) technique, hiv-1 and/or hiv-2, screening CMS descriptor · HCPCS
Medicare Part B claims

First observed 2013 — start of our 12-year window; the code predates it

National scale 68 services · est. ▲ 151.6% YoY · 34 FFS beneficiary-episodes (CY2024, all-Medicare estimate) — 34 observed fee-for-service services

See the national market for G0433 → ranked groups · states · 12-yr trend

170 more CPT-coded procedures — shown with a trial or subscription, under AMA licensing.